Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 10, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at May 29, 1998, 5:49 PM EDT for Capitol Planning Region, Connecticut; Hampden County, Hampshire County, Massachusetts. It was in force for 46 min. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 29, 1998, 5:49 PM EDT (21:49 UTC)
- Expired
- May 29, 1998, 6:35 PM EDT
- In force
- 46 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
Counties Capitol Planning Region, CT, Hampden County, MA, Hampshire County, MA
The radar
The Boston radar (KBOX), 124 km from the middle of the area, began a volume at 21:48 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 29, 6:04 PM EDT | Thunderstorm Wind 50 | West Springfield, MA | |
| May 29, 6:07 PM EDT | Hail 0.75 | Easthampton, MA | |
| May 29, 6:10 PM EDT | Hail 0.88 | West Springfield, MA | |
| May 29, 6:10 PM EDT | Hail 1 | Belchertown, MA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 29, 3:30 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 9.8 hours before the alert went out and 119 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 9 J/kg
- Mixed-layer CIN
- -198 J/kg
- Mixed-layer LCL
- 1241 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
578 WUUS1 KBOS 292148 RRA SVRBOS CTC003-MAC013-015-292235- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 549 PM EDT FRI MAY 29 1998 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN AND CENTRAL HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS HAMPDEN COUNTY IN WESTERN MASSACHUSETTS HARTFORD COUNTY IN NORTH CENTRAL CONNECTICUT * UNTIL 635 PM EDT THIS WARNING REPLACES THE PRIOR WARNING FOR HAMPSHIRE AND HAMPDEN COUNTY. * AT 545 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM WILLIAMSBURG MASSACHUSETTS SOUTH TO COLEBROOK CONNECTICUT...MOVING SOUTHEAST AT 30 TO 40 MPH. * TOWNS IN/NEAR THE PATH OF THIS STORM INCLUDE... SPRINGFIELD AND HARTFORD WILL BE AFFECTED BY 630 PM. THIS LINE OF STORMS HAS BEEN PRODUCING POCKETS OF DAMAGING WIND IN WESTERN MASSACHUSETTS. SEVERE THUNDERSTORMS PRODUCE WINDS STRONG ENOUGH TO KNOCK DOWN TREES AND POWER LINES. MOVE INDOORS AND STAY AWAY FROM WINDOWS. LJC/DRAG
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, May 29, 5:30 PM EDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MA
530 PM EST MAY 29 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
505 PM CHARLEMONT MA WIND DAMAGE
05/29/98 FRANKLIN TREES AND POWER LINES
DOWN
GIRODOLocal storm report, May 29, 5:44 PM EDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MA
545 PM EST MAY 29 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
505 PM CHARLEMONT MA WIND DAMAGE
05/29/98 FRANKLIN TREES AND POWER LINES
DOWN
530 PM WALPOLE NH WIND DAMAGE
05/29/98 CHESHIRE TREES DOWN
530 PM WESTMORELAND NH WIND DAMAGE
05/29/98 CHESHIRE LARGE LIMBS DOWN
GIRODOThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 6:03 PM EDT | Severe Thunderstorm Warning | BOX | 42 min | |
| May 29, 6:33 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 62 min |
| May 29, 6:33 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 62 min |
| May 29, 5:14 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 31 min |
| May 29, 5:21 PM EDT | Severe Thunderstorm Warning | BOX | Franklin | 29 min |
| May 29, 5:44 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 46 min |
| May 29, 6:03 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 42 min |
| May 29, 6:33 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex, Worcester | 62 min |
| May 29, 7:01 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Norfolk, Suffolk | 44 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 1998Severe Thunderstorm Warnings in Connecticut, 1998Every severe thunderstorm warning in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.